feat(HEL-490): 剩余行情改由数据中枢主线路提供

正式页面以 8766 为主线路，旧接口只作故障备用；compose 钉死全部 DATAHUB_READ_*，避免现网残留 0 造成假完成。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

frontend/index.html

@@ -611,6 +611,7 @@
         <label class="form-field"><span>iFinD Refresh Token</span><input id="systemIfindTokenInput" type="password" autocomplete="off" maxlength="2048" placeholder="留空保留现有 Token"></label>
         <label class="switch-control"><input id="systemBackgroundRefresh" type="checkbox"><span>启用交易时段后台刷新</span></label>
         <p class="form-hint">所有用户读取同一份后台快照，页面不会随后台任务自动重绘。</p>
+        <div id="datahubRouteStatus" class="admin-refresh-status" data-tone="idle" role="status" aria-live="polite"><i data-lucide="database"></i><span>数据中枢线路待检查</span></div>
         <div id="adminRefreshStatus" class="admin-refresh-status" data-tone="idle" role="status" aria-live="polite"><i data-lucide="circle-dot"></i><span>尚未手动刷新</span></div>
         <div class="dialog-actions admin-inline-actions"><button id="adminRefreshButton" class="button" type="button"><i data-lucide="refresh-cw"></i>立即后台刷新</button><button class="button primary" type="submit">保存行情配置</button></div>
       </form>

frontend/m/js/pages.js

@@ -5219,6 +5219,15 @@
     return '<span class="m-sys-dot' + (ok ? " m-sys-dot--ok" : "") + '"></span>';
   }
 
+  function datahubStatusText(hub) {
+    const enabled = number(hub.enabled_reads);
+    const total = number(hub.total_reads) || enabled;
+    const fallbacks = hub.fallback_labels || [];
+    if (fallbacks.length) return " 备用 " + fallbacks.join("、");
+    if (hub.configured) return " 主线路 " + enabled + "/" + total;
+    return " 未配置";
+  }
+
   function renderSystemAdmin(key) {
     if (key === "system/members") {
       renderSystemMembers();
@@ -5237,6 +5246,7 @@
       '<div class="m-sys-status-item"><span>iFinD</span><span>' + statusDot(ifind.configured) + (ifind.configured ? " 已配置" : " 未配置") + "</span></div>" +
       '<div class="m-sys-status-item"><span>行情快照</span><strong>' + number(data.snapshot_dates) + " 个交易日</strong></div>" +
       '<div class="m-sys-status-item"><span>后台刷新</span><span>' + statusDot(data.background_refresh_enabled) + (data.background_refresh_enabled ? " 已启用" : " 已暂停") + "</span></div>" +
+      '<div class="m-sys-status-item"><span>数据中枢</span><span>' + statusDot(Boolean((data.datahub || {}).configured) && !((data.datahub || {}).fallback_count)) + datahubStatusText(data.datahub || {}) + "</span></div>" +
       "</div></div>" +
       '<div class="m-card m-sys-section"><strong>数据源密钥</strong>' +
       formFieldHtml("Tushare Token", '<input id="m-sys-token" type="password" autocomplete="off" minlength="20" placeholder="留空则保留现有 Token">', false) +

frontend/shared/admin.js

@@ -44,6 +44,7 @@ async function openAdminSettings(refreshOnly = false) {
     status.textContent = `Tushare ${data.configured ? "已配置" : "未配置"} · iFinD ${ifind.configured ? "已配置" : "未配置"} · ${number(data.snapshot_dates)} 个交易日`;
     status.classList.toggle("connected", Boolean(data.configured));
     setText("systemDataStatus", data.background_refresh_enabled ? "后台刷新已启用" : "后台刷新已暂停");
+    renderDatahubRouteStatus(data.datahub || {});
     document.querySelector("#systemTokenInput").value = "";
     document.querySelector("#systemIfindTokenInput").value = "";
     document.querySelector("#systemBackgroundRefresh").checked = Boolean(data.background_refresh_enabled);
@@ -55,6 +56,26 @@ async function openAdminSettings(refreshOnly = false) {
   }
 }
 
+function renderDatahubRouteStatus(hub) {
+  const box = document.querySelector("#datahubRouteStatus");
+  if (!box) return;
+  const label = box.querySelector("span");
+  const enabled = number(hub.enabled_reads);
+  const total = number(hub.total_reads) || enabled;
+  const fallbacks = hub.fallback_labels || [];
+  if (fallbacks.length) {
+    box.dataset.tone = "warning";
+    if (label) label.textContent = `数据中枢主线路 ${enabled}/${total} · 备用 ${fallbacks.length} 类：${fallbacks.join("、")}`;
+    return;
+  }
+  box.dataset.tone = hub.configured ? "success" : "idle";
+  if (label) {
+    label.textContent = hub.configured
+      ? `数据中枢主线路 ${enabled}/${total}，当前无备用`
+      : "数据中枢尚未配置，网站仍走原接口";
+  }
+}
+
 function selectAdminPanel(panel) {
   const selected = ["market", "models", "members"].includes(panel) ? panel : "market";
   document.querySelector("#adminSectionSelect").value = selected;